Finding the Third Proportional to 19,534,688 and 42,431,200

Step by Step Solution

1. Step 1: Write the proportion equation
   19,534,688 : 42,431,200 = 42,431,200 : x
2. Step 2: Convert to fraction form
   19,534,688/42,431,200 = 42,431,200/x
3. Step 3: Cross multiply
   19,534,688x = 42,431,200 × 42,431,200
4. Step 4: Simplify right side
   19,534,688x = 1,800,406,733,440,000
5. Step 5: Solve for x
   x = 1,800,406,733,440,000/19,534,688
6. Step 6: Final answer
   x = 92,164,601.42